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Optus - The Network


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Optus - The Network

Optus offers key services based on its fixed-line cable infrastructure as well as its upgraded mobile networks. The Customer Access Network comprises a fibre and HFC network serving major business customers in all capital cities, as also in the major suburban business districts and regional centres. It also provides transmission capacity between Optus network facilities (exchanges and fibre access nodes) and for many Optus DSLAM sites. The HFC network is for telephony, broadband and pay-TV services, mainly to residential customers. This network was to be progressively decommissioned to 2018 under the original NBN plan, which called for a predominantly FttP-based architecture. As such, the HFC customers were migrated to the fibre-based NBN. Following a review of the NBN under the Coalition government, the NBN has become a multi-technology undertaking under which HFC plant continues to have a significant input. This has had implications for Optus's investment strategy regarding its extensive cable infrastructure.

Digital switching facilities, linked by fibre optic cable, have been installed in the major cities. The core HFC network has been upgraded with DOCSIS3.0 technology. The company continues to move ahead with technology updates to its networks. LTE networks were launched in late 2012 following consumer trials in the 1800MHz spectrum. Trial services have been launched using spectrum in the 700MHz ahead of the spectrum's formal allocation in early 2015. Using these assets, Optus expected to provide 70% population coverage by March 2015 and 98% coverage by the end of 2016.

Facilities to attract businesses to use cloud-based services over the IP network have been launched to make use of the new Optus 10 satellite, launched in September 2014.

This report provides an overview of the company network operations HFC, the mobile Open Network, fibre and satellite operations.

Key developments:

ADSL, HFC, VoIP, VSAT, NBN, WiFi, HSPA, LTE, 4G, spectrum re-farming; Optus 10 satellite launched.

Companies mentioned:

Telstra, SingTel, Exetel, AUSTAR, Woolworths, Pacnet, ONEmobile, Amaysim, People, M2, FOXTEL, Sky TV.


1. Synopsis
2. Infrastructure overview
3. Consumer customer access network, the HFC network
3.1 Overview
4. Fixed network
4.1 Overview
4.2 ULL DSL
4.3 Core network
5. Mobile network
5.1 The Open Network
5.2 Femtocell service
5.3 3G HSPA upgrades
5.3.1 Reaching 98% population coverage
5.3.2 HSPA+ for faster wireless broadband
5.3.3 Metro 900MHz re-farming
5.4 4G Long-term Evolution (LTE)
5.5 Optus/Vodafone 3G network sharing agreement
6. Wireless networks
6.1 Optus Wireless Connect
6.2 Radio
7. Wholesale activities
8. Digital media and cloud computing
8.1 IPTV
8.2 Google Apps for businesses
9. VoIP network
9.1 Overview
10. Satellite networks
10.1 Background info
10.2 Overview
10.3 Optus managing interim regional and remote satellite services
10.4 The Optus satellites
10.4.1 Introduction
10.4.2 Optus B3
10.4.3 Optus C1
10.4.4 Optus D1
10.4.5 Optus D2
10.4.6 Optus D3
10.4.7 Optus 10
10.5 The Earth stations
10.6 Optus MobileSat
10.7 Satellite broadband communities
10.8 Brief satellite history 1981 - 2014
11. Related reports
Table 1 Optus Wireless Connect pricing 2014
Table 2 Optus satellite revenue 2010 - 2013
Exhibit 1 The SingTel Optus network
Exhibit 2 HFC network status
Exhibit 3 An overview of the LTE development, testing and commercial release

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